**_Multiattack_**. The tyrannosaurus makes two attacks: one with its bite and one with its tail. It can't make both attacks against the same target.
**_Bite_**. Melee Weapon Attack: +10 to hit, reach 10 ft., one target.
_Hit_: 33 (4d12 + 7) piercing damage. If the target is a Medium or smaller creature, it is grappled (escape DC 17). Until this grapple ends, the target is restrained, and the tyrannosaurus can't bite another target.
**_Tail_**. Melee Weapon Attack: +10 to hit, reach 10 ft., one target.